Ohnstav Twichell Address: 746 Front St, Casselton, ND 58012 Phone: (701) 347-4652 Lawyers Other Businesses: Ohnstav Twichell at 746 Front St, Casselton, ND 58012 Ohnstav Twichell at 746 Front St, Casselton, ND 58012 Ohnstav Twichell at 746 Front St, Casselton, ND 58012